JPH02108498U - - Google Patents
Info
- Publication number
- JPH02108498U JPH02108498U JP1733689U JP1733689U JPH02108498U JP H02108498 U JPH02108498 U JP H02108498U JP 1733689 U JP1733689 U JP 1733689U JP 1733689 U JP1733689 U JP 1733689U JP H02108498 U JPH02108498 U JP H02108498U
- Authority
- JP
- Japan
- Prior art keywords
- sounding
- shim
- membrane piezoelectric
- attached
- piezoelectric element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012528 membrane Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1733689U JPH02108498U (pl) | 1989-02-15 | 1989-02-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1733689U JPH02108498U (pl) | 1989-02-15 | 1989-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02108498U true JPH02108498U (pl) | 1990-08-29 |
Family
ID=31231026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1733689U Pending JPH02108498U (pl) | 1989-02-15 | 1989-02-15 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02108498U (pl) |
-
1989
- 1989-02-15 JP JP1733689U patent/JPH02108498U/ja active Pending